O'Reilly logo

Software Fortresses: Modeling Enterprise Architectures by Janet Van Sickler, Roger Sessions

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

3.1. Transactionally Aware Resources

A transactionally aware resource is a system with all of these characteristics:

  • It can accept some update requests.

  • It can group a collection of update requests into a set, called a transaction.

  • It can guarantee that when processing a transaction's worth of update requests, either the entire transaction collection is processed or none of the transaction collection is processed.

  • It can guarantee that, once that transaction has been processed, there is no likely scenario under which any of the updates included in the transaction will be lost.

The most common transactionally aware resource is a database. We'll run into other transactionally aware resources shortly, but for now I'll limit my discussion to databases. ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required